I don't know if you saw The evolution of Google search video, which they've published a few days ago. You should, it's a cool movie, portraying the history of search and Google's vision of its future. But something went wrong. One of the punchlines of the video was a story from one of the engineers, who said that next-generation search engines will be able to answer complex questions such as the following:

Slovenia made it to the spotlight again, for the first time after the soccer world cup (when Slovenia was trending topic on Twitter and top search on Google). This time, it happened because IBM's supercomputer Watson competed against human champions in the famous TV show Jeopardy. IBM's computers are known to destroy people in various challenges, Deep Blue beat the world champion Garry Kasparov in a chess tournament in 1997. But chess is simple for computers to play, because it is pure logic and mathematics – the capability of a player is determined by the number of operations and actions it can calculate in advance. But a quiz is a totally different story, where the biggest challenge is semantics – understanding the meaning of words.